80869120 has 36 divisors (see below), whose sum is σ = 193709880. Its totient is φ = 32347136.

The previous prime is 80869069. The next prime is 80869121. The reversal of 80869120 is 2196808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80869121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30310 + ... + 32869.

It is an arithmetic number, because the mean of its divisors is an integer number (5380830).

Almost surely, 2^80869120 is an apocalyptic number.

80869120 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

80869120 is an abundant number, since it is smaller than the sum of its proper divisors (112840760).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

80869120 is an equidigital number, since it uses as much as digits as its factorization.

80869120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63200 (or 63186 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 34.

The square root of 80869120 is about 8992.7259493437. The cubic root of 80869120 is about 432.4417064227.

The spelling of 80869120 in words is "eighty million, eight hundred sixty-nine thousand, one hundred twenty".